Difference between revisions of "Data Duplicator"

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<code>dd if=<PATH> of=<PATH></code> duplicate infile to outfile</br>
<code>dd if=<PATH> of=<PATH></code> duplicate infile to outfile</br>


Ex:
Ex:</br>
<code>dd if=/dev/urandom of=/dev/st0 bs=65536 count=1000</code> write a random data stream to tape st0 with 65K block size 1000 times</br>
<code>dd if=/dev/urandom of=/dev/st0 bs=65536 count=1000</code> write a random data stream to tape st0 with 65K block size 1000 times</br>



Revision as of 13:02, 2 December 2022

dd

Convert and copy a file. Also, write to magnetic tape.

Use

dd if=<PATH> of=<PATH> duplicate infile to outfile

Ex:
dd if=/dev/urandom of=/dev/st0 bs=65536 count=1000 write a random data stream to tape st0 with 65K block size 1000 times

Useful Flags

status=progress show progress and speed
bs=<BYTES> read and write up to BYTES bytes at a time (default: 512)
count=<N> copy only N input blocks